EP3133976A1 - Imaging system, method and distal attachment for multidirectional field of view endoscopy - Google Patents
Imaging system, method and distal attachment for multidirectional field of view endoscopyInfo
- Publication number
- EP3133976A1 EP3133976A1 EP15782962.3A EP15782962A EP3133976A1 EP 3133976 A1 EP3133976 A1 EP 3133976A1 EP 15782962 A EP15782962 A EP 15782962A EP 3133976 A1 EP3133976 A1 EP 3133976A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- arrangement
- radiation
- exemplary
- paragraph
- present disclosure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0638—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements providing two or more wavelengths
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00089—Hoods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00096—Optical elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00101—Insertion part of the endoscope body characterised by distal tip features the distal tip features being detachable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
- A61B1/00174—Optical arrangements characterised by the viewing angles
- A61B1/00181—Optical arrangements characterised by the viewing angles for multiple fixed viewing angles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0623—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements for off-axis illumination
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0646—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements with illumination filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0655—Control therefor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
Definitions
- Exemplar ⁇ 1 embodiments of the present disclosure relate to endoscopic imaging system and methods for multidirectional field of view endoscopy which can be used to improve the field of view, speed and efficiency of diagnostic and therapeutic endoscopic procedures.
- Endoscopic imaging systems allow the evaluation of animal and human internal organs.
- Endoscopes can consist of at least, one of the following components, a rigid or flexible tube, a light delivery system, a fluid delivery and recovery system, an air delivery and recovery system, a lens system, an eyepiece, a high pixel -count color CCD or imaging transmission system, graphical display unit (monitor), and /or accessory channeKs) to allow use of devices for manipulation, sampling or imaging of target lesions.
- the endoscope may be inserted into any natural orifice of the animal or human including the nates, ears, mouth, biliary tract, pancreatic duct, ostomy, urinary tract, vagina, uterus, fallopian tubes, anus and/or any opening produced by procedures employing an incision or puncture into an inteniai body cavity (craniotomy, thoracotomy, mediastmotomy, laparotomy or arthroiorny). While currently available endoscopes are capable of evaluating targe structures by the obligatory forward or other directional field of view obtained by current light delivery and lens systems, in some medical applications this design increases the risk lor missed detection of important areas of interest.
- exemplary configurations for the acquisition of multidirectional viewing during endoscopic examination can he provided.
- Exemplary applications can be utilized, in which increasing the .field of view while using high resolution endoscopic systems can be improved with the exemplary embodiments of the system, and method of continuous and simultaneous forward and multidirectional views during a baroscopic laparoscopic, angioscopic, or endoscopic procedure,
- Exemplary embodiments of the present disclosure can relate generally to exemplary configuration of optical elements, and to the application(s) thereof in exemplary endoscopic imaging systems which can be used with medical applications to improve the field of view, speed and efficiency of an endoscopic procedure.
- Exemplary embodiments of the present disclosure can be applied to rigid, flexible, wireless or telescoping endoscope to provide, e.g., a continuous multi-directional view of animate and inanimate hollow spaces.
- a distal imaging attachment and an Imaging system can be used in combination with a rigid, flexible, wireless or telescoping endoscope to create a continuous multi-directional view of animate and inanimate hollow spaces.
- the directions are forward and to the side.
- the directions are forward and backward, in still yet another further embodiment, the directions co ver approximately a 4pi solid angle that is only obscured by the device itself.
- This said distal imaging attachment and imaging system may be employed, but not limited to, with endoscopy of animal and human internal anatomical, organs and borescopy of inanimate closed spaces. Due to its design, the integrated optical element within this imaging system, allowing both the forward and multidirectional fields of view. [ . ⁇ 12] in yet further exemplary embodiment of the present disclosure, it is also possible to accommodate the simultaneous passage of devices via the accessory channel of a video endoscope or applicable device of which the distal imaging attachment is applied.
- optica! elements in the exemplary device can be configured to facilitate a muUidirecdonal viewing of target organs o spaces with exemplary endoscopes.
- the exemplary device can be retrofitted to alter the native conventional high definition endoscopes currently used in endoscopic procedures.
- the exemplary device/apparatus can be disposable.
- exemplary embodiments according to the present disclosure as described herein can be provided as exemplary endoscopic lens sysiem(s) 5 and can be termed as "multidirectional", “siraulview” or “retroview”, and utilized as a basis for exemplary embodiments of endoscopic systems for a deployment.
- an exemplary apparatus for imaging at least one anatomical structure can be provided, according to an exemplary embodiment of the present disclosure.
- the apparatus can include a probe imaging- first arrangement, a radiation source second arrangement which provides at least one electro-magnetic radiation, and a third arrangement attached to at least one portion of the endoscopic arrangement.
- the third arrangement can contain an optical arrangement which, upon impact by the at least one electro-magnetic radiation and based thereon, may transmit a first radiation and. reflects a second radiation.
- the first radiation can impact at least one first portion of the anatomical structures), and the second radiation can impact at least one second portion of the anatomical structures).
- the first and second portions can be at least partially different from one another.
- the first and second radiations can. have characteristics which are different from one another.
- the third arrangement can include a hollow internal portion that facilitates an unobstructed passage of at least one of .fluid or instrument within an accessory channel of the first arrangement.
- the characteristics can include or be wavelengths or polarizations.
- a detector arrangement can be provided, whereas the endoscopic arrangement can be associated with die radiation source arrangement and the detector arrangement.
- the first and second .radiations can have spectral regions in red, green and blue band which do not substantially overlap with one another.
- the first radiation can be directed in a forward direction, and the second radiation can be directed in a backward direction or a side direction.
- the third arrangement can include a cap that can be connected to an end portion of the endoscopic first arrangement, in addition or alternatively, (he cap can include an optical structure, which, upon impact by electro-magnetic radiaiion(s) and based (hereon, can cause a resultant radiation io be at least side, retrograde and forward directions of the endoscopic first arrangement with, respect to a viewing direction, thereof
- the second radiation can simultaneously illuminate between 270 and 360 degrees of a field of view.
- the radiation source second arrangement can include a modulation arrangement which can. be configured to modulate the first and second radiations.
- An electronic arrangement can be provided which is configured to synchronize the second arrangement and the detector arrangement.
- the electronic arrangement can be configured to (i) synchronize the modulation arrangement: and the detector arrangement, and (ii) control the detector arrangement to detect signals from the anatomical stro.cture(s) illuminated by (he first and second radiaiion, and separate the signals based the synchronization with the modulation arrangement.
- the anatomical struct eis can be a luminal anatomical structure.
- the third arrangement can include at least, one opening which facilitates a passage of instrumentation, air gasses and/or fluids therethrough.
- a tube can be provided that is associated with the third arrangement, and which provide a passage of instrumentation, air gasses and/or fluids therethrough.
- the first and second radiations can have a specific polarization status
- FIG. 1 is a side cross-sectional block diagram of an imaging system/apparatus and optical elements thereof according to an exemplary embodiment of the present disclosure
- FIG. 2 is a set of view of an exemplary optical element consists a 4-faceted pyramid dicliroic mirror which can transmit and reflect radiations with different characteristics according to an exemplary embodiment of the present disclosure
- FIG. 3 a block diagram of an endoscopic arrangement, a radiation source arrangement, and a detector arrangement according to exemplary embodiments of the present disclosure;
- FIGS. 4(a) and 4(b) axe block diagrams of exempiary modulation arrangements according to an exemplary embodiment of the present disclosure
- FIG. 5(a) is a diagram of an exemplary electronic switch based on an optical chopper according to an exempiary embodiment of the present disclosure
- F G. 5(b) is a diagram of the exemplary electronic switch based on a first switch position according to an exemplary embodiment of the present disclosure
- FIG. 5(c) is a diagram of the exemplary electronic switch based on a second switch position according to an- exemplary embodiment of the present disclosure
- FIG. 6(a) a diagram of a further exemplary electronic switch based on a gaivo scanner at a first switch position according to another exemplary embodiment of the present disclosure
- FIG. 6(b) a diagram of the exemplary electronic switch of FIG. 6(a) based on the galvo scanner at a second switch position according to another exemplary embodiment, of the present, disclosure
- FIG. 7 a front view of the optical elements provided within a distal imaging attachment cap of the exemplary imaging system/apparatus of FIG. 1 ;
- FIG. 8 a side view of ire imaging system/apparatus, optical elements and distal imaging attachment cap, as shown in FIG. 7;
- FIG. 9 is a set of illustrations providing external, distal image attachments and an overlapping field external display Diagram according to exemplary embodiments of the present disclosure.
- FIG. 10 is a set of exemplary images providing exemplary testing results achieved using the exemplary system, method and/or computer-accessible medium according to the exemplary embodiments of the present disclosure
- FIG. 1 1 is a side cross-sectional block diagram of an imaging cap of a system/apparatus according to yet another exemplary embodiment of the present disclosure
- FIG. 12 is a perspective view of side/backward view filters and housing according to an exemplary embodiment of the present disclosure
- FIGs. 1 (a) and 13(b) are side and front views, respectively, of forward view filters and housing according to another exemplary embodiment of the present disclosure
- [ ⁇ 36 . ⁇ FIGs. 1.4(a) and 14(b) are side and front views, respectively, of beam splitters and housing according to still another exemplary embodiment of the present disclosure
- FIGs. 15(a)- ⁇ 5(c) are side, side perspective and front perspective views, respectively, of forward view filter housing and beam splitter housing according to yet another exemplary embodiment of the present disclosure.
- FIGs. 16(a) and 16(b) are side perspective and front perspective views of side/backward view filter housing, forward view filter housing and beam splitter housing according to yet another exemplary embodiment of the present disclosure.
- an optical apparatus/system can be provided which can be partially reflective and/or ma be a polarization or wavelength selective such that certain wavelengths or polarization states are directed to and/or received from different field angles and therefore illuminate and/or receive different fields of view.
- the exemplary states may be altered by changing the characteristics of the optics or the optical characteristics of the light, such as the wavelengths or the polarization state.
- changes of wavelengths can be different bands of wavelengths in. the RGB spectrum.
- the different wavelengths may be comprised of different wavelength bands in the visible and NIR spectrum.
- the characteristic(s) of the light is not changed by the optical apparatus, but the images are separated using software algorithms.
- the optical apparatus contains a beam splitter
- the opticai apparatus can be configured and/or structured to be within a cap that can be attached to the distal end of an endoscope, a catheter, a borescope, and/or a laparoscope device, f r example, the cap can be disposable, and/or can contain one or more apertures or openings to allow the passage of devices, fluids, or tissue to effect a change in the anatomic structure.
- the arrangement of optical elements coupled with or to certain endoscopes, and exemplary signal processing methods can facilitate an acquisition of continuous m lti- directional views, without the need for additional auxiliary imaging devices deployed through the endoscope accessory channel .
- FIG. I shows a side cross-sectional block diagram of an imaging system/apparatus and optical elements thereof according to an exemplary embodiment of the present disclosure.
- a distal imaging attachment cap 1 of the exemplary imaging system of FIG. 1 can be facilitated in an endoscope 14.
- the attachment cap 1 can contain an optical element/arrangement 4 which can include certain multiple configurations, such as but not limited to a fiber optic bundle, a tapered fiber optic bundle, a cone mirror, a partial cone mirror, a pentagon mirror, an inverted pyramid mirror, a prism, and or multiple mobile optical elements.
- Such exemplary optical element/arrangement.4 can achieve, e.g., a side and retrograde endoscopic view while maintaining the endoscope's field of view 5, such as the forward field of view.
- the exemplary optica! element 4 may also have or applied thereto a customized reflective material to facilitate a detailed and customized manipulation of the field of view or wavelengths.
- Such exemplary arrangement can facilitate the user of the exemplary endoscopic system to view both the forward field of view 5 and fields of view located to the side and retrograde 6 to the endoscope's objective lens 2 and endoscope light 3. ( ⁇ 4) Accordin to another exemplary embodiment of the present disclosure, as shown in FIG.
- the exemplary optical element 4 can be, e.g., a 4-faceted pyramid diehroic mirror which can transmit and/or reflect radiations (e.g., electromagnetic radiations, including light, etc.) with different characteristics.
- the exemplary characteristics can include and/or be wavelengths or polarizations.
- the first and second, radiations can have spectral regions in red, green and blue bands which likely do not substantially overlap with one another (at least for the most part), in addition or alternatively, the first and second radiations can have a specific polarization status.
- the first radiation can be directed in a forward direction 21
- the second radiation can be directed in a backward direction or side directions (e.g., directions 22, 23, 24, 25). ⁇ .
- FiG. 1 it is possible to facilitate a toggling via a manual and/or electronic switch 8 (which can include a modulation arrangement), e.g., to apply an exemplary procedure to filter, polarize, bend and/or exclude predetermined wavelength(s) of one or more radiations (e.g., lights) 7 of an endoscopic light radiation source 9.
- a manual and/or electronic switch 8 which can include a modulation arrangement
- the distal imaging attachment cap 3 ca be placed at the distal tip of the endoscope 14.
- a system can be provided (which can. include but ot limited to one or more of, e.g., computer 31 , video capture device and synchronization signal generator 32, and endoscope video processor 33).
- the endoscopic arrangement 14 can be associated with the radiation source arrangement (which can include but not limited to one or more of, e.g., endoscopic light/radiation source 9, an exemplary procedure to filter, polarize, bend and/or exclude predetermined waveieugth(s) of the radiatioii(s) 7, and manual and/or electronic switch 8) and a detector arrangement Further, as indicated herein above, the radiation source- arrangement can include the modulation arrangement (including, e.g., element 8) which can be configured to modulate the first and second radiations.
- the radiation source arrangement which can include but not limited to one or more of, e.g., endoscopic light/radiation source 9, an exemplary procedure to filter, polarize, bend and/or exclude predetermined waveieugth(s) of the radiatioii(s) 7, and manual and/or electronic switch 8) and a detector arrangement
- the radiation source- arrangement can include the modulation arrangement (including, e.g., element 8) which can be configured to modulate the
- the computer 3.1 and/or the signal generator 32 can be configured to synchronize the radiation source arrangement (including, e.g., elements 8, 9) and/or the entire system (including e.g., elements 31 , 32, and 33).
- the computer 31 and/or the signal generator 32 can be configured to (i) synchronize the modulation arrangement (including, e.g., element 8) and the detector arrangement, and/or (ii) control the system to detect signals from the anatomical structure ⁇ ) illuminated by the first and second radiation, and. separate the signals based the synchronization with the modulation arrangement (e.g., element 8).
- an exemplary modulation arrangement of another exemplary embodimen of the present disclosure can include a beam splitter 4.1 to divide the radiation (e.g., light and/or beam) into two. beam paths.
- a beam splitter 4.1 to divide the radiation (e.g., light and/or beam) into two. beam paths.
- one beam can pass a filter for predetermined wavelength(s) or polarizatson(s) 44 to provide the fist radiation 45
- the other beam can be reflected by a mirror 42, and can pass another filter for another predetermined wavel.engtli(s) or polarization 43 with different characteristics compared with the wavelength(s) or polarization 44 to provide the second radiation 46.
- another exemplary modulation arrangement can include a beam splitter for predetermined wavelengtbfs) or polarization 47 to provide the first radiation
- FIGS. 5(a)-5(c) illustrate block diagrams of various exemplary electronic switches according to further exemplary embodiments of the present disclosure.
- the exemplary electronic switches of FIGS. 5(a) ⁇ 5(e) can include an. optical chopper 51 synchronized with the computer 31 and/or the signal generator 32 (shown in FIG. 3).
- the fist radiation 45 and second radiation 46 can be alternatively coupled into the endoscope 14 by exemplary optical components (e.g., a mirror 52, a beam splitter 53, and a lens 54).
- exemplary optical components can be switched by the optical chopper's positions, as shown in FIG. 5(b) and 5(c).
- FIGS. 6(a) and 6(b) show another exemplary 1 electronic switch arrangement according to yet another exemplary embodiment of the present disclosure, provided in different switch position.
- the exemplary switch arrangement of FIGS. 6(a) and 6(b) can include a galvo scanner 61 which can be synchronized with the computer 31 and/or the signal generator 32 (shown in FIG, 3).
- the first radiation 45 and the second radiation can be synchronized with the computer 31 and/or the signal generator 32 (shown in FIG, 3).
- exemplary optical components e.g., lens 62
- FIGS, 6(a) and. 6(b) exemplary optical components
- the exemplary distal imaging attachment cap 1 can facilitate a use of a fluid delivery channel 76 and/or an accessor)? channel 72 to maintain its original use by providing a non -obstructive pathway for an endoscopic manipulation within the endoscope 14 via the accessory channel 72.
- the exemplary system/apparatus/method can be used for a simultaneous or controlled switching between the above described forward field of view 5 and the side/retrograde field. of view 6.
- an exemplary procedure 12 (which can be used to program a processing hardware arrangement, such as. e.g., a computer) can be used to deconstruct a wavelength/polarization "profile" of each field of view 10, 1 1 by electronically splitting native and multidirectional fields of view. ⁇ .
- exemplary selective filtering of e.g., white light to facilitate only the reflectance or transmission phase to be analyzed can be accomplished by placing applying a filter at the endoscope's connection to its processing arrangement (e.g., the processor). Toggling between the on and off phases, e.g., manually (such as with a manual foot pedal), automatically or via an electronic switch, the reflected or transmitted light/radiation can then be deconstructed, via a further procedure which can program or configure the processing arrangement to continuously display the forward and multidi.rectiooal fields of view 13.
- another procedure can be provided which can program or configure the processing arrangement to deconstruct each pixel, and display the two profiles determined by the reflective transmission wavelengths, polarizations or characteristic properties established by a special arrangement ?, the optical elements) 4 and angles of observation of each .field of view 5, 6.
- the exemplary imaging system of FIG. 1 can also use of an alternative light source- which can be deployed, e.g., via the cap irrigation channel 81 (shown in FIG. 8),
- the use of such light source via the irrigation channel 81 can. provide and/or facilitate, e.g., a further selective manipulation of the reflectance and transmission frequencies for an improved discretion between the phases for an exemplary image manipulation via a procedure which can program or configure the processing arrangement to perform such exemplary function.
- a plastic, transparent, semi-flexible disposable cap I can be fitted over the distal tip of the endoscope 14 via a friction fit configuration .82, as shown in FIG. 8.
- the exemplary design and/or configuration of this cap 1 can be provided in various ways, e.g., depending on the indication of the exemplary endoscopic procedure.
- Shapes of the exemplary cap 1 can include, but are not limited to oblique or perpendicular angled shapes, in respect to the distal, aspect of the endoscope 14 and a location of the objective lens 2.
- the distal imaging attachment is designed to be in a specific orientation so as to facilitate the native functions of the endoscope to continue to operate without an interruption.
- the exemplary cap 1 can include a clearance chamber 83 (as shown in FIG. 8), which can sea! the distal apparatus away from luminal, liquid and contents, while continuing to facilitate the instillation of water for imaging and. cleaning.
- This above described exemplary clearance chamber 83 can contain a perforation located, above the accessory chamber 86 to facilitate suctioning of contents of the clearance chamber S3.
- a water jet output channel e.g., the fluid delivery chamber
- the distal imaging ca is also structured and/or designed with an irrigator port 8.1 which can facilitate the attachment of a lavage device or syringe to aid in a clearance of liquid and/or debris from the distal attachment cap 1.
- the exemplary cap 1 can be coupled with multiple optical elements 85 in the optical chamber 84.
- a plastic, transparent, semi-flexible and disposable cap which can facilitate a circular configuration and arrangement of multiple imaging detectors within a small collar 91 , as shown in FIG, 9.
- This exemplary collar 91 can facilitate overlapping, multidirectional and circumferential views of the desired target sample (e.g., organ) or space being inspected.
- This exemplary configuration can facilitate the use of multiple light sources and independent optical sensors, e.g., bypassing a preference to alter the conventional endoscopes light source.
- Exemplary image processing of images obtained using the system, apparatus and method according to the present disclosure can be accomplished using the exemplary procedures implemented on the exemplary processing arrangement, as described herein.
- an exemplary procedure implemented on the exemplary processing arrangement can assist in an alignment of the signals to provide, e.g., a 360 degree, multidirectional field of view 92, as shown in FIG, 9.
- FIG. 10 shows a set of exemplary images achieved using the exemplary system, method and/or computer-accessible medium according to the exemplary embodiments of the present disclosure.
- Such exemplar ⁇ ' images were based on exemplary testing result using an exemplary software separation via a simultaneously illumination and utilizing a 442/505/635 run Yokogawa dichroic beamsplitter installed at the distal to a CCD camera with lens, Massachusetts General Hospital ("MGH 5 ') logo and Harvard Medical School (“HMS”) logo were used as the image targets, placed in front of, and at side of the dichroic beamsplitter, respectively, in this testing, the while light source was not modulated and illuminated on the two image targets simultaneously.
- MGH 5 ' Massachusetts General Hospital
- HMS Harvard Medical School
- the separately captured exemplary individual images of the logos are shown in FIG. 1 as MGH 102, and HMS 103.
- a captured exemplary combined image 101 with the two logos in positions at the same time was the image intended to be processed.
- the exemplary procedure 12 described herein above with respect to FIG. I (which may be used to program a processing hardware arrangement, such as, e.g., a computer) can be utilized to deconstruct the wavelength "profile" of each field of view by splitting the native and multidirectional fields of view with the two logos.
- the exemplary procedure 12 can be one or more programs including, but not limited to, e.g..
- Neural Network and/or independent Component Analysis, or other procedure/piOgram which can configure the processing hardware arrangement to separate the two views from the captured combined image 1 1
- the exemplary reconstructed images of each field of view are shown in FIG. 10 as images 104, 105, respectively.
- the exemplary software based separation, which splits the two views as described herein, can significantly reduce the complexity of various components/parts of the procedure, system and computer-accessible medium according to the exemplary embodiments of the present disclosure.
- the characteristics of the light may not be changed by an optical apparatus, and instead, the images can be separated using software processing procedures.
- FIG. 1 1 shows a side cross-sectional block diagram of an imaging system apparatus and optical elements thereof according to a further exemplary embodiment of the present disclosure, provided within a lumen 1000,
- a distal imaging attachment cap 1006 (which can include side/backward view filter arrangement/housing 1 1 0, forward view filter arrangement/housing 1200, and beam splitter arrangement housing 1300) of the exemplary imaging system illustrated in FIG. 1 1 can be facilitated or otherwise provided in an endoscope 1001.
- the attachment cap 1006 can. include such arraiigements/housiiigs KK), 1200, 1300 or other optical arrangements which can have certain multiple configurations, such as but not.
- exemplary optical ele ent arraBgements/lioosings 1 100, 1200, 1300 can. achieve, e.g., a side and. retrograde endoscopic view .1020, while maintaining endoscope's forward field of view 1. 10, such as, e.g., the forward field of view.
- the exemplary optical eleme»ts arfangements/conf gurations 1 100, 1200, 1.300 can also have or applied, thereto a customized, reflective material to facilitate a detailed and/or a customized manipulation of the field of view or wavelengths.
- Such exemplary arrangemeni configuralion can facilitate the user of the exemplary endoscopic system to view both ie forward field of view 1010 and fields of view located to the side and retrograde .1 20 to the endoscope's objective lens 1002 and an endoscope light arrangement 1.003.
- the light (or other electro-magnetic radiation) pro vided from the endoscope light arrangement 1003 can be parti ally reflected by the beam splitter arrangement/housing 1300, and transmitted through the side/backward view filter arrangement(s ' ' housing(s) 1 100.
- the scattered side/backward light from the tissue can be provided back to the endoscope objective lens 1002 to facilitate the side and retrograde view 1020.
- the light, from the endoscope light arrangement 1003 can he partially transmitted through the beam splitter an3 ⁇ 4ngement'3 ⁇ 4ousing 1300, nd transmitted through the forward view filter arrangement($) liousing ⁇ s) 1200.
- the scattered forward light from the tissue can be provided back to the endoscope objective leas 1002 to provide the forward field of view 1010.
- the exemplary switch can be or include a scanner to scan the light source beam to different filter sets, synchronized by the control system, such as, e.g., a programmed computer.
- the exemplary switch can be or include an optical chopper which is configured to block one or more of particular paths of the light source beam to or from different filter sets, e.g., synchronized, by the control system, such as the programmed computer.
- the imaging device can have optica! filter arrangement(s)/houslng(s) 1 1 0 at all facets or parts of the facets (e.g., a side view direction).
- the number of facets at the side/backward views can be at least four facets which can also be filters 1 1 10, 1 120, 1.1.30, 1 140, as shown in the FIG. 12, or any other number of facets.
- filters/facets 1 1.10, 1.120, J.1.30, 1.1.40 can be provided around or about a hollow internal portion 11 50.
- the optical filters and/or windows 1 1 10, 1 120, 1 130, 1140 can be designed, structured and/or configured for a transmission of one or more predetermined wavelength(s), such as different bands of wavelengths in the RGB spectrum. According to another exemplary embodiment of the present disclosure, the optical filters and/or windows 1 1 1 1 , 1 120, 1130, 1 140 can be provided at or in different tilted angles.
- exemplary optical filter(s) and/or housing(s) 1200 can be provided at other facets (e.g.. a forward view direction) of the exemplary imaging attachment cap.
- the number of facets at the forward views can be at least four facets which can also be fitters 1210, 1220, 1230, 1240, as shown in the FIGs. 1.3(a) and 13(b), or an other number of facets.
- optical filters and/or windows 1210, 1220, 1230, 1240 can be provided around or about a hollow internal portion 1250.
- the optical filters and/or windows 1210, 1220, 1230, 1240 can also be designed, structured and/or configured for a transmission of predetermined wavelengih(sX such as, e.g., different bands of wavelengths in the RGB spectrum.
- the optical filters and or windows 1.210, 1220, 1.230, 1240 can be placed, provided or put at or in different tilted angles.
- the exemplar ⁇ -' beam splitter and/or housing 1 00 can be provided in front of the endoscope in the exemplary' imaging attachment cap.
- the number of facets at the forward views can be at least four facets which can also be filters 1310, .1320, 1330, 1 340, as shown in ihe FIGs. 14(a) and 14(b), or any other number of facets.
- filters/facets 1310, 1320, 1330, 134 can be provided around, or about a ' hollow internal portion 1350.
- a 50/50 beam splitter can be used.
- the surface of the beam splitter can be a cone shape. ( ⁇ 70] in an additional exemplary 1 embodiment of the present disclosure, as shown in FIGs. 15(a)- 16(b), the relative surface and position of ancl/or in the side/backward view filter arrangement/housing 1 100, the forward view filter arcangement housmg 1200, and the beam splitter arraagement/honsmg 1300 can be changed according to different requirements such as the view angles.
- the exemplary distal imaging attachment cap which can include respective hollow internal portions 1 150 (see FIG. 12), 125 (see FIGs, 13(a) and 13(b)), 1350 (see FIGs. 14(a) and 14(b)), can facilitate an exemplary use of a fluid delivery channel and/or an accessory channel of an endoscope to maintain its original use by providing a non-obstructive pathway for an endoscopic manipulation within the endoscope via the accessory channel.
- a procedure e.g., in a form of a software computer program
- algorithm, procedure(s) and or software program(s) can be provided to program or othenvise configure a computer to correct any distortion of the anatomical structure under examination induced by the exemplary imaging apparatus, reconstruct the relative positions of different views related to the forward view of the endoscope, and/or balance the color, it is also possible to facilitate and/or provide a toggling procedure to selectively display any individual field of views via a manual and/or electronic switch, e.g., using the algorithms and/or computer software by programmin the computer to perform, the same.
- Hewett DG, Rex DK Cap-fitted colonoscopy: a randomized, tandem colonoscopy study of adenoma miss rates. Gastrointest Endosc 2010:72:775-81 ,
- a novel retrograde-viewing auxiliary imaging device improves the detection of simulated polyps in anatomic models of the colon. Gastrointest Endosc 2007;65:139-44.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201461984258P | 2014-04-25 | 2014-04-25 | |
PCT/US2015/027605 WO2015164792A1 (en) | 2014-04-25 | 2015-04-24 | Imaging system, method and distal attachment for multidirectional field of view endoscopy |
Publications (2)
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EP3133976A1 true EP3133976A1 (en) | 2017-03-01 |
EP3133976A4 EP3133976A4 (en) | 2017-12-27 |
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EP15782962.3A Withdrawn EP3133976A4 (en) | 2014-04-25 | 2015-04-24 | Imaging system, method and distal attachment for multidirectional field of view endoscopy |
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WO (1) | WO2015164792A1 (en) |
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US10595710B2 (en) * | 2001-10-19 | 2020-03-24 | Visionscope Technologies Llc | Portable imaging system employing a miniature endoscope |
US7218822B2 (en) * | 2004-09-03 | 2007-05-15 | Chemimage Corporation | Method and apparatus for fiberscope |
JP2009523574A (en) * | 2006-01-18 | 2009-06-25 | ザ ジェネラル ホスピタル コーポレイション | System and method for generating data using one or more endoscopic microscopy methods |
WO2008065955A1 (en) * | 2006-11-28 | 2008-06-05 | Olympus Corporation | Endoscope device |
US7706646B2 (en) * | 2007-04-24 | 2010-04-27 | Tomophase Corporation | Delivering light via optical waveguide and multi-view optical probe head |
US7835074B2 (en) * | 2007-06-05 | 2010-11-16 | Sterling Lc | Mini-scope for multi-directional imaging |
EP2389093A4 (en) * | 2009-01-20 | 2013-07-31 | Gen Hospital Corp | Endoscopic biopsy apparatus, system and method |
US9629528B2 (en) * | 2012-03-30 | 2017-04-25 | The General Hospital Corporation | Imaging system, method and distal attachment for multidirectional field of view endoscopy |
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